package day03;

public class IfElseDemo {
    public static void main(String[] args) {
        //满500打8折，不满500打9折
        double price = 300.0;//带数(600.0,300.0)
        if(price>=500){//满
            price*=0.8;
        }else{//不满
            price*=0.9;
        }
        System.out.println("最终消费金额为"+price);

        //判断成绩合法还是不合法
        int score = 95;//带数(95,-5,555)
        if(score>=0 && score<=100){
            System.out.println(score+"是合法成绩");
        }else{
            System.out.println(score+"是不合法成绩");
        }
    }
}
